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    Updated Link Porsche 997 Clutch & Flywheel Upgrade

    Has anyone upgraded the OEM flywheel and clutch assembly on a 997S with the Evolution MotorSports clutch upgrade (level 2) and CNC machined aluminum flywheel http://www.evoms.com/marketplace/ViewPro...23CD0F56E553%7D ? According to specs the OEM is 28lbs and theirs is 12lbs. They state that the weight reduction allows the motor to rev quicker for better acceleration and incredible throttle response. Any pros or cons to changing out? What is the biggest drawback?

    Re: Updated Link Porsche 997 Clutch & Flywheel Upgrade

    Quote:
    CA997 said:
    What is the biggest drawback?



    Stalling your engine every time you try to pull away from standstill, maybe?

    Re: Updated Link Porsche 997 Clutch & Flywheel Upgrade

    There are 2 negatives. One as stated above is that it's easier to stall starting from a stop because a lighter flywheel has less momentun so it's easier to stop. After a while you would get used to it, the other issue is that light weight flywheels are noisy at idle. The advantage is that since the flywheel is lighter the motor revs faster. Evoms also offers a flywheel that is lighter than stock but not as light as the lightweight one, I believe thay call it the "no stall" flywheel.

    Re: Updated Link Porsche 997 Clutch & Flywheel Upgrade

    The single mass flywheel is only slightly noisier and the benefits are great. The engine will respond way more crisply.

    And you wont stall it after the first time or maybe not at all. In fact you will get more feel through the clutch pedal. The dual mass flywheel system is also designed to soften pedal feel.

    Porsche 911 owners survived very well for years before dual mass flywheels and hydraulic motor mounts were put in to soften the car for first time and luxury oriented buyers.

    A single mass flywheel and solid motor mounts will make a huge felt difference. Do it, you will not regret it.

     
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